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Finding the Third Proportional to 4,986,540 and 10,760,400

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Solution

The third proportional to 4,986,540 and 10,760,400 is: 23,219,749.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,986,540 : 10,760,400 = 10,760,400 : x
  2. Step 2: Convert to fraction form
    4,986,540/10,760,400 = 10,760,400/x
  3. Step 3: Cross multiply
    4,986,540x = 10,760,400 × 10,760,400
  4. Step 4: Simplify right side
    4,986,540x = 115,786,208,160,000
  5. Step 5: Solve for x
    x = 115,786,208,160,000/4,986,540
  6. Step 6: Final answer
    x = 23,219,749.20

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.